National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

83°F

28°C

Humidity 55%
Wind Speed W 7 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 8 Jul 10:52 am CDT
Extended Forecast for

Forest Lake IL

  • Today

    Today: Sunny, with a high near 89. Southwest wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 83. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 81. Northeast wind 5 to 10 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 83. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 81. Northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forest Lake IL
 42.2°N 88.06°W
Last Update:
10:31 am CDT Jul 8, 2026
Forecast Valid:
11am CDT Jul 8, 2026-6pm CDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation